1.4.It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate.
众所周知，乙醇纳和二乙基苯基丙二酸酯反应可以得到乙基乙酸苯酯和二乙基碳酸酯。
2.Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.
目研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛条件。
3.and for nitroethane there were nitroficating low carbon alkane, chloroethane, and diethyl sulfate;
1硝基丙烷采用丙烷和丙烯硝化法;
4.Crystalline polypyrene microsheets were electrosynthesized in the medium of boron trifluoride diethyl etherate for the first time.
4.在三氟化硼乙醚介质,电合芘首次制备出结晶型芘微米片。
5.Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.
以碳酸二乙酯(DEC)为乙基化,苯酚在气固相条件下催化合成苯乙醚。
6.No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.
溶于丙酮、苯、甲苯、二硫化碳、二氯乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。
7.This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.
讨论了以草酸二乙酯为原料,经过克莱森缩合、环合、氨解反应合成5甲基异唑3甲酰胺改进。
8.A new method for the synthesis of 1 methyl 3 propylpyrazole 5 carboxlic acid from 2 pentanone and diethyl oxalate is reported.
9.The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.
该粗品通过精制改进,采用硫化钠和氢氧化钠混合物进行处理,得到纯度≥99%O,O-二乙基硫代磷酰氯。
10.The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.
以强酸性阳离子交换树脂为催化,十三碳二元酸乙醇为原料合成十三碳二元酸二乙酯,考察了影响反应因素。
11.The products in the preparation of diethyl carbonate (DEC) from diethyl oxalate (DEO) by decarbonylation over K2CO3/AC (activated carbon) were analyzed by gas chromatography-mass (GC-MS).
12.Entomologist Stephen Doggett, who runs the NSW Health arbovirus program which monitors mosquitoes and the diseases they carry is firmly in the DEET (diethyl toluamide) camp.
审核，其表达内容亦不代表本软件
研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛
条件。
合芘首次制备出结晶型
,
苯酚在气固相条件下催化合成苯乙醚。
